Fix serialization tensor v2 tests #1912

Job	Run time
Check code formatting with Black, isort, mypy, flake8 (3.8)	40s
Test and lint (ubuntu-latest, 3.8)	2m 35s
Check that transforms docs are not outdated (3.8)	30s
Test and lint (ubuntu-latest, 3.9)	4m 53s
Test and lint (ubuntu-latest, 3.10)	4m 43s
Test and lint (ubuntu-latest, 3.11)	4m 13s
Test and lint (ubuntu-latest, 3.12)	3m 50s
Test and lint (windows-latest, 3.8)	5m 18s
Test and lint (windows-latest, 3.9)	6m 47s
Test and lint (windows-latest, 3.10)	8m 40s
Test and lint (windows-latest, 3.11)	7m 27s
Test and lint (windows-latest, 3.12)	6m 27s
Test and lint (macos-latest, 3.8)	5m 4s
Test and lint (macos-latest, 3.9)	7m 13s
Test and lint (macos-latest, 3.10)	7m 7s
Test and lint (macos-latest, 3.11)	6m 33s
Test and lint (macos-latest, 3.12)	7m 45s
	1h 29m 45s

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